12630426 has 8 divisors (see below), whose sum is σ = 25260864. Its totient is φ = 4210140.

The previous prime is 12630407. The next prime is 12630461. The reversal of 12630426 is 62403621.

It is a sphenic number, since it is the product of 3 distinct primes.

12630426 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12630396 and 12630405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052530 + ... + 1052541.

It is an arithmetic number, because the mean of its divisors is an integer number (3157608).

Almost surely, 2^12630426 is an apocalyptic number.

12630426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12630426 is a wasteful number, since it uses less digits than its factorization.

12630426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105076.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 12630426 is about 3553.9310629217. The cubic root of 12630426 is about 232.8838289406.

The spelling of 12630426 in words is "twelve million, six hundred thirty thousand, four hundred twenty-six".